package com.practice;

public class demo03 {
    public static void main(String[] args) {
        for (int i = 21; i < 34; i++) {
            System.out.print(i + " ");
        }
        System.out.println();
        for (int i = 45; i > 17; i--) {
            System.out.print(i + " ");
        }
    }
}
